The 2017-2018 NHL season marked the 101st season of the National Hockey League. The season began on October 4, 2017, and concluded with the regular season ending on April 7, 2018. A total of 31 teams competed, with the Vegas Golden Knights making their debut as an expansion team. The Washington Capitals emerged as the champions, winning the Stanley Cup for the first time in franchise history. They defeated the Vegas Golden Knights in the finals, clinching the series 4-1. The season was notable for its competitive play and the emergence of several young stars across the league.